Advice Needed Motorized dish with one position dish.

[a33]

OK,
A few follow-up questions (1 repeated question):

1. Do you want just ONE (specific) receiver to have access to all motorized satellite positions? And so ALL the other receivers must then be switching to the little (backup) dish?
2. If the answer to this question is yes, then as next question: Does it matter if that ONE specific receiver when viewing a motorized satellite, then has Unicable, or legacy reception?

3. Is the receiver that does the motor control also in use to watch TV, or just used as motor control?

Greetz,
A33

 

[Haa-sat]

OK,
A few follow-up questions (1 repeated question):

1. Do you want just ONE (specific) receiver to have access to all motorized satellite positions? And so ALL the other receivers must then be switching to the little (backup) dish?
2. If the answer to this question is yes, then as next question: Does it matter if that ONE specific receiver when viewing a motorized satellite, then has Unicable, or legacy reception?

3. Is the receiver that does the motor control also in use to watch TV, or just used as motor control?

Greetz,
A33

View attachment UNICABLE UNIVERSAL.png
1. Only receiver 3 and 4 will acces to all satellites. Receiver 1, 2 and 3 become switching to the backup dish. Receiver 3 are FTA receiver on the satellite 100 CM dish are positioned to and can be use to pay TV.

2. I think is no matter receiver 4 use unicable or legacy reception.

3. Receiver 4 are use to both watch TV and motor control and will only get signal from 100 cm dish.

 

[a33]

So, to check if I understand you correctly:
1. Receiver 1+2 (with 3 tuners) need to switch to the little backup switch, preferably automatically
2. Receiver 3 and 4 stay always connected to the motorized dish. Receiver 3 does not ever need to be connected to the small backup dish.
3. Does it matter if receiver 3 has Unicable, or legacy reception?

My idea would roughly be the following:
a. Receivers 1+2 would go to a splitter, the path from there to a 0/12V switch, choosing between motor dish path and little backup dish path.
b. Receiver 3 should work on second legacy output of LNB, or be "inserted" in the above Unicable motor-dish-path.
c. Receiver 4 should not only issue motor commands, but also give a diseqc 1.0 command for all satellites other than the fixed dish satellite position.
d. A diseqc switch should be put parallel to the Receiver 4 input; the relevant diseqc port should issue a switching voltage for the 0/12V switch, to switch to (or from) the small backup dish.
(To consider at a later moment: extra coil or small modification of the diseqc switch, extra resistor to lower the voltage to 5..12 Volt, maybe adding some terminating resistors.)

Things to check, beforehand:
- Do the receivers 1+2, when connection to the motor dish is broken, issue a no-lock 'repeat' Unicable command, to again get the wanted channel? (I know that legacy receivers do that, but not if Unicable receivers do that also, and how many seconds they wait till they give a no-lock repeat command.)
- This setup would require Receiver 4 to stay switched on, as long as the motor is not returned to the fixed position (to keep supplying the diseqc switching voltage for the 0/12V switch). Would that be a problem?
- By the way: there are (older) receivers with an 0/12V output possibility. Does your receiver 4 have that, by chance?


So this is to give you an idea, what I am thinking of at the moment. We can fix the details later, and do the above-mentioned repeat command test.
First: did I understand you correctly, with my summing up questions?
Second: would you be content with a setup like my idea?


Greetz,
A33

 

[yang sat]

如果它能与 DISEQC 一起工作，你是说设置就像图片一样？View attachment 147590

我无法理解将 SCR LNB 与传统 DiSEqC 连接是否可以正常工作。

Mod note: Please translate your posts into English.

I can't understand if connecting a SCR LNB with a traditional DiSEqC would work.

 

[Haa-sat]

So, to check if I understand you correctly:
1. Receiver 1+2 (with 3 tuners) need to switch to the little backup switch, preferably automatically
2. Receiver 3 and 4 stay always connected to the motorized dish. Receiver 3 does not ever need to be connected to the small backup dish.
3. Does it matter if receiver 3 has Unicable, or legacy reception?

My idea would roughly be the following:
a. Receivers 1+2 would go to a splitter, the path from there to a 0/12V switch, choosing between motor dish path and little backup dish path.
b. Receiver 3 should work on second legacy output of LNB, or be "inserted" in the above Unicable motor-dish-path.
c. Receiver 4 should not only issue motor commands, but also give a diseqc 1.0 command for all satellites other than the fixed dish satellite position.
d. A diseqc switch should be put parallel to the Receiver 4 input; the relevant diseqc port should issue a switching voltage for the 0/12V switch, to switch to (or from) the small backup dish.
(To consider at a later moment: extra coil or small modification of the diseqc switch, extra resistor to lower the voltage to 5..12 Volt, maybe adding some terminating resistors.)

Things to check, beforehand:
- Do the receivers 1+2, when connection to the motor dish is broken, issue a no-lock 'repeat' Unicable command, to again get the wanted channel? (I know that legacy receivers do that, but not if Unicable receivers do that also, and how many seconds they wait till they give a no-lock repeat command.)
- This setup would require Receiver 4 to stay switched on, as long as the motor is not returned to the fixed position (to keep supplying the diseqc switching voltage for the 0/12V switch). Would that be a problem?
- By the way: there are (older) receivers with an 0/12V output possibility. Does your receiver 4 have that, by chance?


So this is to give you an idea, what I am thinking of at the moment. We can fix the details later, and do the above-mentioned repeat command test.
First: did I understand you correctly, with my summing up questions?
Second: would you be content with a setup like my idea?


Greetz,
A33

1. Yes it's correct.

2. Receiver 1, 2 and 3 need to be connected to backup dish and only 4 will control the motor. Number 3 can use the satellite position moved to.

3. Does not matter whether it uses unicable or universal LNB.

It looks a very good idea. I not sure i can use coaxial SIPDIF output on the reciever to control the 0/12V switch? I think I will use this idea if it will work.

 

[Haa-sat]

So, to check if I understand you correctly:
1. Receiver 1+2 (with 3 tuners) need to switch to the little backup switch, preferably automatically
2. Receiver 3 and 4 stay always connected to the motorized dish. Receiver 3 does not ever need to be connected to the small backup dish.
3. Does it matter if receiver 3 has Unicable, or legacy reception?

My idea would roughly be the following:
a. Receivers 1+2 would go to a splitter, the path from there to a 0/12V switch, choosing between motor dish path and little backup dish path.
b. Receiver 3 should work on second legacy output of LNB, or be "inserted" in the above Unicable motor-dish-path.
c. Receiver 4 should not only issue motor commands, but also give a diseqc 1.0 command for all satellites other than the fixed dish satellite position.
d. A diseqc switch should be put parallel to the Receiver 4 input; the relevant diseqc port should issue a switching voltage for the 0/12V switch, to switch to (or from) the small backup dish.
(To consider at a later moment: extra coil or small modification of the diseqc switch, extra resistor to lower the voltage to 5..12 Volt, maybe adding some terminating resistors.)

Things to check, beforehand:
- Do the receivers 1+2, when connection to the motor dish is broken, issue a no-lock 'repeat' Unicable command, to again get the wanted channel? (I know that legacy receivers do that, but not if Unicable receivers do that also, and how many seconds they wait till they give a no-lock repeat command.)
- This setup would require Receiver 4 to stay switched on, as long as the motor is not returned to the fixed position (to keep supplying the diseqc switching voltage for the 0/12V switch). Would that be a problem?
- By the way: there are (older) receivers with an 0/12V output possibility. Does your receiver 4 have that, by chance?


So this is to give you an idea, what I am thinking of at the moment. We can fix the details later, and do the above-mentioned repeat command test.
First: did I understand you correctly, with my summing up questions?
Second: would you be content with a setup like my idea?


Greetz,
A33

View attachment 12v.png

 

[Haa-sat]

我无法理解将 SCR LNB 与传统 DiSEqC 连接是否可以正常工作。

Mod note: Please translate your posts into English.

I can't understand if connecting a SCR LNB with a traditional DiSEqC would work.

I think you can use SCR LNB with DISEQC switch. The thing is my pay TV reciever don't support DISEQC.
Unicable + Diseqc switching

 

[a33]

2. ...... Number 3 can use the satellite position moved to.

Please be more clear!
Receiver 3 should also be connected to the fixed backup dish, when the motor is used?
So that only receiver 4 has access to all motorized sat positions, and all other receivers then are on the small backup dish on the fixed satellite position?
It looks that way, from your drawing.
But then again, your (above) previous answer suggest the contrary....

So, what is it?

A33.

 

[Haa-sat]

Please be more clear!
Receiver 3 should also be connected to the fixed backup dish, when the motor is used?
So that only receiver 4 has access to all motorized sat positions, and all other receivers then are on the small backup dish on the fixed satellite position?
It looks that way, from your drawing.
But then again, your (above) previous answer suggest the contrary....

So, what is it?

A33.

I'm sorry. Reciever 3 can also be used for free to air TV. Now I'm thinking of using it only for pay TV satellite. Follow the picture and reciever 3 will be used like as reciever 1 and 2.

 

[a33]

OK. All receivers except Receiver 4 to the small backup dish, would be the easiest setup.
(In your drawing you forgot to draw the 4/1 splitter..)

- Do the receivers 1+2, when connection to the motor dish is broken, issue a no-lock 'repeat' Unicable command, to again get the wanted channel? (I know that legacy receivers do that, but not if Unicable receivers do that also, and how many seconds they wait till they give a no-lock repeat command.)

Let's do this test, then?
Connect just one receiver to the LNB, and watch a program. Then disconnect the F-connector, for 15 seconds or so. Then reconnect the cable, and observe how many seconds it takes for the program to (hopefully) return.
N.B. Take care not to cause a short-circuit between core of the cable and the 'ground' of your cable/receiver! (That is always when doing tests under 'live' conditions.)
N.B.2 The time period for the program to return might be different for different receivers. So you might test more than one receiver.


When you want only receiver 4 to receive multiple sats (and all other receivers then to be switched to the backup dish), and only switch on receiver 4 when you want to go motorized, you could most likely use the receiver 4 USB-port to switch the 0/12V switch! From what I have seen (but I've not seen ALL!), normal 0/12V switches also switch When switching to the small backup dish then is not necessary anymore, it is very simple.on 0/5V. (So no diseqc switch needed then!)


When you do want Receiver 3 to also receive motorized sats, the easiest setup would probably be with legacy (though extra cables needed).

Greetz,
A33

 

[yang sat]

I think you can use SCR LNB with DISEQC switch. The thing is my pay TV reciever don't support DISEQC.
Unicable + Diseqc switching

Thank you very much for your reply. I understand that an SCR LNB can work together with traditional DiSEqC, but the receiver needs to have the necessary functionality to support it.

 

[Haa-sat]

OK. All receivers except Receiver 4 to the small backup dish, would be the easiest setup.
(In your drawing you forgot to draw the 4/1 splitter..)


Let's do this test, then?
Connect just one receiver to the LNB, and watch a program. Then disconnect the F-connector, for 15 seconds or so. Then reconnect the cable, and observe how many seconds it takes for the program to (hopefully) return.
N.B. Take care not to cause a short-circuit between core of the cable and the 'ground' of your cable/receiver! (That is always when doing tests under 'live' conditions.)
N.B.2 The time period for the program to return might be different for different receivers. So you might test more than one receiver.


When you want only receiver 4 to receive multiple sats (and all other receivers then to be switched to the backup dish), and only switch on receiver 4 when you want to go motorized, you could most likely use the receiver 4 USB-port to switch the 0/12V switch! From what I have seen (but I've not seen ALL!), normal 0/12V switches also switch When switching to the small backup dish then is not necessary anymore, it is very simple.on 0/5V. (So no diseqc switch needed then!)


When you do want Receiver 3 to also receive motorized sats, the easiest setup would probably be with legacy (though extra cables needed).

Greetz,
A33

Good news! Recivers use only under one second from then I disconnected F-connectors to the reciever start TV reception again. Do you have a suggestion what switch I must buy or you mean I must use USB to coaxial converter? If I understand it correctly.
Will coaxial S/PDIF output also work with 0/12 switch?

This sounds like a good idea!

 

[a33]

S/PDIF is digital audio output... something completely different...

So, if indeed Receiver 4 is only switched on when you (want to) watch motorized satellite, you can connect the 5 volt of the USB port to go to the 0/12V switch. I think it'll work all right.
(When 4 tuners try to give the no-lock repeat command at the same time, the response time might work out to be a little bit longer? But it'll still be within one or two seconds, I reckon.)

You'd have to fabricate that connection yourself, I guess.
- Find an old USB cable, cut it through, and find the +5V and earth connections (I reckon a red cable and a black cable?). Do you have a multimeter, to check voltage/polarity?
- Then use some speaker cable, or doorbell cable or so (not critical), to go to the 0/12V switch. (Or the USB cable might be long enough, allready?)
- Sometimes the 0/12V has screw-on connections, that is easy. Sometimes you need some kind of plug. Take care that the 0 goes to ground, and the +5V to the other connection. (if some kind of plug, the core should be +5..12V.)

All clear?

Greetz,
A33

 

[Haa-sat]

S/PDIF is digital audio output... something completely different...

So, if indeed Receiver 4 is only switched on when you (want to) watch motorized satellite, you can connect the 5 volt of the USB port to go to the 0/12V switch. I think it'll work all right.
(When 4 tuners try to give the no-lock repeat command at the same time, the response time might work out to be a little bit longer? But it'll still be within one or two seconds, I reckon.)

You'd have to fabricate that connection yourself, I guess.
- Find an old USB cable, cut it through, and find the +5V and earth connections (I reckon a red cable and a black cable?). Do you have a multimeter, to check voltage/polarity?
- Then use some speaker cable, or doorbell cable or so (not critical), to go to the 0/12V switch. (Or the USB cable might be long enough, allready?)
- Sometimes the 0/12V has screw-on connections, that is easy. Sometimes you need some kind of plug. Take care that the 0 goes to ground, and the +5V to the other connection. (if some kind of plug, the core should be +5..12V.)

All clear?

Greetz,
A33

All looks clear and I think I can do it this way. I can maybe use the switch like in this picture? And replace coaxial cable with USB cable.

 

[a33]

That is indeed a 0/12V switch. Looks OK to me....

 

[Haa-sat]

That is indeed a 0/12V switch. Looks OK to me....

I want to thank you for this solution. I will buy a corresponding switch and install and do a test.

 

[a33]

Good news! Recivers use only under one second from then I disconnected F-connectors to the reciever start TV reception again.

I was thinking again about this result, and thought if it might have been too good to be true?
Frankly, I was expecting 5 seconds or more..

So, thinking about it: could it be that the LNB still had some residual power, so that the 'old' Unicable command was still in the memory of the LNB?
That would have been when another receiver was still connected to the LNB (and feeding it), or when the 'waiting period' in the test was not long enough to simulate a 'clean' LNB restart.
(I know from german forums, that some (Unicable) LNBs have huge capacitors [that lead to huge inrush currents] .)

The way to test this: Absolutely no power from other sources (other receivers than the testing receiver) to the LNB, and a longer waiting period in the test.
(Or, instead of the latter: connect the Receiver to the other LNB , which was without power for at least an half hour.)


BTW. If the duration till the repeated Unicable command would be longer: that would also happen with a manual A/B switch, instead of the 0/12V switch. So it would be something to live with.
While the receiver waits to give its repeat Unicable command, of course you could give a Unicable command by yourself, by switching to another TV channel.


I hope it will work to your satisfaction!

Greetz,
A33

 

[Haa-sat]

I was thinking again about this result, and thought if it might have been too good to be true?
Frankly, I was expecting 5 seconds or more..

So, thinking about it: could it be that the LNB still had some residual power, so that the 'old' Unicable command was still in the memory of the LNB?
That would have been when another receiver was still connected to the LNB (and feeding it), or when the 'waiting period' in the test was not long enough to simulate a 'clean' LNB restart.
(I know from german forums, that some (Unicable) LNBs have huge capacitors [that lead to huge inrush currents] .)

The way to test this: Absolutely no power from other sources (other receivers than the testing receiver) to the LNB, and a longer waiting period in the test.
(Or, instead of the latter: connect the Receiver to the other LNB , which was without power for at least an half hour.)


BTW. If the duration till the repeated Unicable command would be longer: that would also happen with a manual A/B switch, instead of the 0/12V switch. So it would be something to live with.
While the receiver waits to give its repeat Unicable command, of course you could give a Unicable command by yourself, by switching to another TV channel.


I hope it will work to your satisfaction!

Greetz,
A33

This is a good point and thought. I will do a test soon.